"Trojan.Myss.B is a Trojan Horse that can capture keystrokes and periodically send them to a predefined email address. This threat is compressed with UPX." Source

There are also some indications that a pornography related dialer is using the same file names and registry entries.


Trojan Horse



If you have any of the files related to Trojan.Myss.B on your system, please send them for additional analysis. Generally, I have only analysed a few versions for each software component listed at this web site. With your help I will be able to look at both old and more recent versions of the Trojan.Myss.B software. Thank you very much for your time!

Log references

Log 199


Bazooka Adware and Spyware Scanner detects Trojan.Myss.B. Bazooka is freeware and detects spyware, adware, foistware, trojan horses, viruses, worms and other potentially unwanted applications. Read more »

Uninstall Trojan.Myss.B with FreeFixer

I'm working on a general purpose tool for removing unwanted software. The tool is called FreeFixer and can help you remove unwanted Browser Helper Objects, Internet Explorer toolbars and software that starts automatically when you reboot your computer, so it can offer some assistance while uninstalling Trojan.Myss.B. The manual removal instructions listed below will help you to identify what to delete with FreeFixer.

Read more about FreeFixer.

Manual removal

Please follow the instructions below if you would like to remove Trojan.Myss.B manually. Please notice that you must follow the instructions very carefully and delete everything that is mentioned. In most cases the removal will fail if one single item is not deleted. If Trojan.Myss.B remains on your system after stepping through the removal instructions, please double-check by stepping through them again.

  1. Start your computer in safe mode.
  2. Start the registry editor. This is done by clicking Start then Run. (The Run dialog will appear.) Type regedit and click OK. (The registry editor will open.)
  3. Browse to the key:
    HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Run
  4. In the right pane, delete the values called 'MsSystem' and 'mssys', if they exists.
  5. Exit the registry editor.
  6. Start Windows Explorer and delete:

Problems uninstalling? Click here.

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Contact information for Trojan.Myss.B's vendor

In order to provide correct, accurate and updated information about Trojan.Myss.B I encourage the vendor to contact me if any part of this write-up needs a revision.

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Related links

Bazooka - Free scan for spyware, adware, trojan horses, keyloggers, etc. Detects more than 500 potentially unwanted applications. Freeware!

The File Database - Search the file database for more information. Free!

PopUp Blocker Test - Find out if your pop-up killer can handle all pop-ups. Free!

Kephyr Labs - Find out what is going on at Kephyr. Try products in an early stage of development.

Read more about FreeFixer, Kephyr's latest spyware removal tool.
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